Comparison on Output Value of High-densed Jujube Orchard
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摘要: 对双行矮化超密度骏枣(Ziziphus jujuba cv. Junzao)园“三五九”树形和“小冠疏层形树形”2种树形产量、品质、经济效益方面进行对比试验。结果表明,“三五九”树形保持了枣树的密植状态,增加了果园空间利用率,“小冠疏层形”树形扩大了果树的结果面积,但在密植情况下不利于果树的通风透光;“三五九”矮化密植修剪,三五九”树形修剪技术能较大幅度地提高特级果和一级果的比例,但总体产量下降,“小冠疏层形”树形座果早晚基本一致(早座果时间为7月5日左右),枣果大小差异小、较均匀整齐,无畸形果、单位产量较高,但果品质量较差;“三五九”夏季修剪技术比“小冠疏层形”修剪技术用工多,费用高。Abstract: In 2007, direct sowing of Ziziphus jujuba var. spinosa seed was carried out at a production base in Keping, Xinjiang Uygur Autonomous Region. Seedlings were grafted with Z. jujuba cv. Junzao the next year and established the orchard with density of 10500 trees/ha. Experiment on new pruning technique was implemented with old pruning one as the control, and same fertilization, watering and pest control from 2013. The result demonstrated that jujube treated with new technique could fruit earlier with larger fruit, but with more labor charges. It needs further researches. Key words: Ziziphus jujuba cv. Junzao; pruning; tree form
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Keywords:
- Ziziphus jujuba cv. Junzao /
- pruning /
- tree form
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